Claude Haiku 4.5 vs Doubao 1.5 Pro Turbo: which model should you choose?
We compared Claude Haiku 4.5 and Doubao 1.5 Pro Turbo on price, context window and 12 benchmarks. Claude Haiku 4.5 and Doubao 1.5 Pro Turbo are effectively tied on the index average; Doubao 1.5 Pro Turbo is cheaper on a blended 3:1 basis.
Claude Haiku 4.5
Claude Haiku 4.5 is a multimodal model from Anthropic. It offers a 1,000,000-token context window, costs $13.86 per million input tokens and $74.67 per million output tokens, and averages 79.4 across the index's benchmark suite.
- Input
- $13.86 / 1M
- Output
- $74.67 / 1M
- Context
- 1,000,000
- Avg score
- 79.4
- Open weights
- No
Doubao 1.5 Pro Turbo
Doubao 1.5 Pro Turbo is a multimodal model from ByteDance. It offers a 128,000-token context window, costs $13.81 per million input tokens and $71.10 per million output tokens, and averages 79.4 across the index's benchmark suite.
- Input
- $13.81 / 1M
- Output
- $71.10 / 1M
- Context
- 128,000
- Avg score
- 79.4
- Open weights
- No
Specification comparison
| Spec | Claude Haiku 4.5 | Doubao 1.5 Pro Turbo | Edge |
|---|---|---|---|
| Input price / 1M | $13.86 | $13.81 | B |
| Output price / 1M | $74.67 | $71.10 | B |
| Context window | 1,000,000 | 128,000 | A |
| Max output | 128,000 | 65,536 | A |
| Average score | 79.4 | 79.4 | Tie |
| Arena Elo | 1421.8 | 1433.0 | B |
| Open weights | No | No | Tie |
Benchmark comparison
Claude Haiku 4.5 wins 4, Doubao 1.5 Pro Turbo wins 6, and 2 benchmarks are tied. The table shows the modelled score for each model and the gap.
| Benchmark | Claude Haiku 4.5 | Doubao 1.5 Pro Turbo | Gap | Winner |
|---|---|---|---|---|
| MMLU-Pro | 84.1 | 80.3 | 3.8 | Claude Haiku 4.5 |
| GPQA Diamond | 74.1 | 75.4 | 1.3 | Doubao 1.5 Pro Turbo |
| SWE-bench Verified | 69.2 | 67.7 | 1.5 | Claude Haiku 4.5 |
| HumanEval | 84.7 | 85.0 | 0.3 | Doubao 1.5 Pro Turbo |
| MATH-500 | 81.4 | 81.4 | 0.0 | Tie |
| AIME 2025 | 76.5 | 75.6 | 0.9 | Claude Haiku 4.5 |
| LiveCodeBench | 71.6 | 72.3 | 0.7 | Doubao 1.5 Pro Turbo |
| IFEval | 85.2 | 88.9 | 3.7 | Doubao 1.5 Pro Turbo |
| TruthfulQA | 79.6 | 80.9 | 1.3 | Doubao 1.5 Pro Turbo |
| HellaSwag | 89.6 | 88.2 | 1.4 | Claude Haiku 4.5 |
| MMMU | 77.6 | 77.6 | 0.0 | Tie |
| Arena Elo | 1421.8 | 1433.0 | 11.2 | Doubao 1.5 Pro Turbo |
Price analysis
On a blended 3:1 input-to-output basis, Claude Haiku 4.5 costs about $29.06 per million tokens and Doubao 1.5 Pro Turbo costs about $28.13. Doubao 1.5 Pro Turbo is roughly 3% cheaper than Claude Haiku 4.5. At high volume, that gap compounds quickly, so price should carry real weight unless the quality difference is decisive.
Claude Haiku 4.5 has the larger context window at 1,000,000 tokens, compared with 128,000 for Doubao 1.5 Pro Turbo. That matters for long documents, large codebases and multi-step agent traces.
Verdict
Across 12 shared benchmarks, Claude Haiku 4.5 wins 4, Doubao 1.5 Pro Turbo wins 6, and 2 are tied. The two models are effectively tied on the index average at 79.4.
The price picture favours Doubao 1.5 Pro Turbo. The context picture favours Claude Haiku 4.5. Those two dimensions often matter more than a few benchmark points once a model is good enough for the task.
If you need a single default, start with Doubao 1.5 Pro Turbo if cost is the constraint and Claude Haiku 4.5 if context is the constraint. Test both on a sample of your own traffic before committing.
Choose Claude Haiku 4.5 if
- You need the larger 1,000,000-token context window.
- You need the larger 128,000-token output limit.
Choose Doubao 1.5 Pro Turbo if
- Unit cost matters and you want the cheaper blended price.
FAQ
Is Claude Haiku 4.5 better than Doubao 1.5 Pro Turbo?
The two models are effectively tied on the index average at 79.4. The better choice depends on price, context and your task. Claude Haiku 4.5 wins 4 benchmarks, Doubao 1.5 Pro Turbo wins 6.
Which is cheaper, Claude Haiku 4.5 or Doubao 1.5 Pro Turbo?
Doubao 1.5 Pro Turbo is cheaper on a blended 3:1 basis at about $28.13 per million tokens, versus $29.06 for Claude Haiku 4.5.
Which has the larger context window?
Claude Haiku 4.5 has the larger context window at 1,000,000 tokens. Doubao 1.5 Pro Turbo has 128,000 tokens.
Are these models open weights?
Claude Haiku 4.5 is proprietary; Doubao 1.5 Pro Turbo is proprietary.
Which should I choose for production?
If you need a single default, start with Doubao 1.5 Pro Turbo if cost is the constraint and Claude Haiku 4.5 if context is the constraint. Test both on a sample of your own traffic before committing.